commit 5b53b554a3ac6faff70081d541680fbcec55fbb7
author Hongxu Jia <hongxu.jia@windriver.com> Thu Nov 20 11:43:45 2025 +0800
committer Jens Geyer <Jens-G@users.noreply.github.com> Mon Dec 01 22:13:30 2025 +0100
tree 5fbbb7a3494f6775c51034ddfda1661c9c90bef1
parent 3364b4ac563872b40c91d7843f6d0971d84979ec

support reproducible builds

In order to support reproducible builds [1], while using bison to generate
source code, add COMPILE_FLAGS --file-prefix-map [2] to remove build path
prefix and source path prefix in the generated header file.

[1] https://reproducible-builds.org/
[2] https://cgit.git.savannah.gnu.org/cgit/bison.git/commit/?id=dd878d18519689c7bbcd72de4c9f9e53085a3cbf

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>

compiler/cpp/CMakeLists.txt

diff --git a/compiler/cpp/CMakeLists.txt b/compiler/cpp/CMakeLists.txt
index 4c1c2c5..eeef203 100644
--- a/compiler/cpp/CMakeLists.txt
+++ b/compiler/cpp/CMakeLists.txt
@@ -30,7 +30,7 @@
 file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/thrift/)
 
 # Create flex and bison files and build the lib parse static library
-BISON_TARGET(thrifty ${CMAKE_CURRENT_SOURCE_DIR}/src/thrift/thrifty.yy ${CMAKE_CURRENT_BINARY_DIR}/thrift/thrifty.cc)
+BISON_TARGET(thrifty ${CMAKE_CURRENT_SOURCE_DIR}/src/thrift/thrifty.yy ${CMAKE_CURRENT_BINARY_DIR}/thrift/thrifty.cc COMPILE_FLAGS "--file-prefix-map=${CMAKE_BINARY_DIR}='' --file-prefix-map=${CMAKE_SOURCE_DIR}=''")
 FLEX_TARGET(thriftl ${CMAKE_CURRENT_SOURCE_DIR}/src/thrift/thriftl.ll ${CMAKE_CURRENT_BINARY_DIR}/thrift/thriftl.cc)
 ADD_FLEX_BISON_DEPENDENCY(thriftl thrifty)